
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import { __extends } from 'tslib';
/**
 * Line path for bezier and straight line draw
 */

import * as graphic from '../../util/graphic.js';
import * as vec2 from 'zrender/lib/core/vector.js';
var straightLineProto = graphic.Line.prototype;
var bezierCurveProto = graphic.BezierCurve.prototype;

var StraightLineShape =
/** @class */
function () {
	function StraightLineShape() {
		// Start point
		this.x1 = 0;
		this.y1 = 0; // End point

		this.x2 = 0;
		this.y2 = 0;
		this.percent = 1;
	}

	return StraightLineShape;
}();

var CurveShape =
/** @class */
function (_super) {
	__extends(CurveShape, _super);

	function CurveShape() {
		return _super !== null && _super.apply(this, arguments) || this;
	}

	return CurveShape;
}(StraightLineShape);

function isStraightLine(shape) {
	return isNaN(+shape.cpx1) || isNaN(+shape.cpy1);
}

var ECLinePath =
/** @class */
function (_super) {
	__extends(ECLinePath, _super);

	function ECLinePath(opts) {
		var _this = _super.call(this, opts) || this;

		_this.type = 'ec-line';
		return _this;
	}

	ECLinePath.prototype.getDefaultStyle = function () {
		return {
			stroke: '#000',
			fill: null
		};
	};

	ECLinePath.prototype.getDefaultShape = function () {
		return new StraightLineShape();
	};

	ECLinePath.prototype.buildPath = function (ctx, shape) {
		if (isStraightLine(shape)) {
			straightLineProto.buildPath.call(this, ctx, shape);
		} else {
			bezierCurveProto.buildPath.call(this, ctx, shape);
		}
	};

	ECLinePath.prototype.pointAt = function (t) {
		if (isStraightLine(this.shape)) {
			return straightLineProto.pointAt.call(this, t);
		} else {
			return bezierCurveProto.pointAt.call(this, t);
		}
	};

	ECLinePath.prototype.tangentAt = function (t) {
		var shape = this.shape;
		var p = isStraightLine(shape) ? [shape.x2 - shape.x1, shape.y2 - shape.y1] : bezierCurveProto.tangentAt.call(this, t);
		return vec2.normalize(p, p);
	};

	return ECLinePath;
}(graphic.Path);

export default ECLinePath;